A Room‐Temperature Ferroelectric Ferromagnet in a 1D Tetrahedral Chain Network

Ferroelectricity occurs in crystals with broken spatial inversion symmetry. In conventional perovskite oxides, concerted ionic displacements within a 3D network of transition‐metal–oxygen polyhedra (MOx) manifest spontaneous polarization. Meanwhile, some 2D networks of MOx foster geometric ferroelec...

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Veröffentlicht in:	Advanced materials (Weinheim) 2019-06, Vol.31 (24), p.e1808104-n/a
Hauptverfasser:	Kang, Kyeong Tae, Roh, Chang Jae, Lim, Jinyoung, Min, Taewon, Lee, Jun Han, Lee, Kyoungjun, Lee, Tae Yoon, Kang, Seunghun, Seol, Daehee, Kim, Jiwoong, Ohta, Hiromichi, Khare, Amit, Park, Sungkyun, Kim, Yunseok, Chae, Seung Chul, Oh, Yoon Seok, Lee, Jaekwang, Yu, Jaejun, Lee, Jong Seok, Choi, Woo Seok
Format:	Artikel
Sprache:	eng
Schlagworte:	1D tetrahedral networks Brownmillerite Calcium aluminum ferrite Chains Ferroelectric materials Ferroelectricity Ferromagnetism Magnetism magnetoelectric coupling multiferroicity Perovskites Polyhedra Room temperature SrFeO2.5 Thin films
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